. Diseases of economic plants . Plant diseases. FiG. 208. â Sclerotia of lettuce sclerotini- ose, natural aize. Original, ascospore â ascusmW- ^ emcospores w â , ^-^ ' Uigermmofwrr. Fig. 209. â Perithecium with Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Stevens, Frank Lincoln, 1871-1934; Hall, John Galentine, 1870-. New York : Macmillan

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Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1910, bookyear1910